leetcode-28-Implement strStr()
A clearly problem, just compare the element when element-wise. When the needle pointer get the end, return it. If do not meet at the end, return -1. A stupid point is that the problem treat the needle empty as a valid size, and we can return 0. I think it is unclear and unreasonable.
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col 鏈接 聲明 turn 用途 leet 子串 http targe 【 聲明：版權全部，轉載請標明出處，請勿用於商業用途。 聯系信箱：[email protected]/* */ 題目鏈接：https://leetcode.com/
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